How many pieces does the LEGO Dark Side Developer Kit (9754-1) have?

The LEGO Dark Side Developer Kit set (9754-1) contains 578 pieces. It was released in 2000 as part of the LEGO Mindstorms theme.

How can I find missing parts for LEGO set 9754-1?

On BrickMissing you can check which parts from the LEGO Dark Side Developer Kit (9754-1) you already own. Add your LEGO collection and we'll show exactly which of the 578 pieces you're missing and which you already have.

Can I build the LEGO Dark Side Developer Kit with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 578 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Dark Side Developer Kit from?

The LEGO Dark Side Developer Kit (9754-1) belongs to the LEGO Mindstorms theme. You can browse all Mindstorms sets on BrickMissing to find more sets from this theme.

Dark Side Developer Kit

9754-1 Mindstorms 2000 578 parts 11.1% catalog rarity Intermediate

Dark Side Developer Kit (9754-1) is a LEGO set with a listed count of 578 parts. Available inventory data is shown below.

Parts Inventory

🧱 578 parts

Showing the first 12 rows of the parts list (578 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Black	2×	Check price → View
Light Gray	2×	Check price → View
Black	16×	€0,07 View at LEGO → View
Light Gray	4×	Check price → View
Black	44×	Check price → View
Black	2×	€0,21 View at LEGO → View
Dark Gray	1×	Check price → View
Black	4×	Check price → View
Light Gray	16×	Check price → View
Dark Gray	2×	Check price → View
Dark Gray	4×	Check price → View
Trans-Red	4×	€0,08 View at LEGO → View

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Catalog rarity

How common are the parts in Dark Side Developer Kit?

11.1%Moderate rarity

more commonless common

12 of 108 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

8.4%

All sets

6.7%

Least common in our catalog

Technic Panel Fairing # 3 Large Long, La… · Light Gray · only this set in our catalogTechnic Panel Fairing # 4 Large Long, La… · Light Gray · only this set in our catalogTechnic Panel Fairing # 1 Large Short, L… · Light Gray · only this set in our catalog

How we calculate this →